By Heather Hansen,San Francisco Chronicle, August 21, 2016

A couple of weeks ago, my husband and I hiked along Mills Creek inRocky Mountain National Parkin the direction of a pair of hidden alpine lakes. I’m from nearby Boulder, Colo., have been exploring the park for 14 years in every season, and generally avoid the spots mobbed in summer by “flatlanders” in search of their “high.” But a late start landed Juan and I mid-morning at the always-popular Bear Lake, where several trails branch out...